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US 2015/0205294 A1Published application
Profit Milling
AssigneeD.P. Technology Corp.
InventorJIANPING SONG
Life of this patent
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Abstract
Methods and devices for computer-assisted milling of a pocket region of a workpiece by computing a blend arc radius, where the blend arc radius is based on a maximal variation of a Tool Engagement Angle (TEA), and smoothing at least one offset, where the smoothing is based on the computed blend arc radius and/or a prior computed blend arc radius with a stepover.
Claims19
A method of milling a pocket region of a workpiece, the method comprising:
- computing a blend arc radius, wherein the blend arc radius is based on a maximal variation of a Tool Engagement Angle (TEA);
- and
- smoothing at least one offset, wherein the smoothing is based on at least one of:
- the computed blend arc radius and a prior computed blend arc radius with a stepover.
1 more element
A device comprising:
- a planning module, wherein the planning module comprises a processing module;
- a numerical code generator, wherein the numerical code generator is configured to receive instructions from the planning module;
- and
- a machining tool, wherein the machining tool is configured to receive instructions from the numerical code generator.
1 more element
A device comprising:
- a processing module having addressable memory, the processing module configured to:
- select a pocket feature of a workpiece to be machined;
- create at least one contour-parallel offset, wherein the at least one contour-parallel offset is created from at least one of:
- at least one boundary of the pocket feature and an offset based on a Voronoi Diagram (VD);
- compute a preferred smoothing radius (PSR), wherein the PSR is the radius of the Preferred Smooth Arc (PSA);
- identify any narrow areas in the at least one contour-parallel offset;
- replace the identified narrow areas with a blend arc;
- determine if any of the offsets can be smoothed, wherein the processing module ends a process if no offsets can be smoothed and the process continues if at least one offset can be smoothed;
- and
- connect each offset with at least one linking movement.
7 more elements
Dependencies are inferred from the claim text.